Overview
The ADUM2401BRIZ-RL, produced by Analog Devices Inc., is a 4-channel digital isolator that utilizes the company's proprietary iCoupler technology. This component is designed to provide high-speed data transfer while maintaining electrical isolation between the input and output sides. It is particularly useful in applications requiring reliable and fast data communication across different voltage domains.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V | Both sides |
| Maximum Data Rate | Up to 90 Mbps (CRWZ Grade) | CL = 15 pF, CMOS signal levels |
| Propagation Delay | 50 ns to 100 ns | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion | < 2 ns (CRWZ Grade) | CL = 15 pF, CMOS signal levels |
| Channel-to-Channel Matching | < 2 ns (CRWZ Grade) | CL = 15 pF, CMOS signal levels |
| VDD1 Supply Current (Quiescent) | 1.8 mA to 2.4 mA | DC to 1 MHz logic signal frequency |
| VDD2 Supply Current (Quiescent) | 1.2 mA to 1.8 mA | DC to 1 MHz logic signal frequency |
| Logic Low Output Voltage | 0.0 V to 0.1 V | IOx = 20 µA, VIx = VIxL |
| Logic High Output Voltage | 4.8 V to 5.0 V | IOx = -20 µA, VIx = VIxH |
Key Features
- High-speed data transfer with low pulse width distortion and tight channel-to-channel matching.
- Operates with supply voltages ranging from 2.7 V to 5.5 V, enabling voltage translation across the isolation barrier.
- Patented refresh feature ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- Compliance with various safety standards, including DIN V VDE V 0884-10.
- Low quiescent current consumption.
Applications
- Industrial I/O and control systems.
- Automotive interfaces (CAN, Audio, Ethernet).
- RS-232 / RS-422 / RS-485 / RS-562 serial communication.
- USB and other high-speed digital interfaces.
- Medical devices requiring electrical isolation.
- Powerline communications and broadband switches.
Q & A
- What is the ADUM2401BRIZ-RL used for? The ADUM2401BRIZ-RL is a 4-channel digital isolator used for high-speed data transfer while maintaining electrical isolation between the input and output sides.
- What is the supply voltage range for the ADUM2401BRIZ-RL? The supply voltage range is from 2.7 V to 5.5 V on both sides.
- What is the maximum data rate of the ADUM2401BRIZ-RL? The maximum data rate is up to 90 Mbps for the CRWZ grade.
- What is the propagation delay of the ADUM2401BRIZ-RL? The propagation delay is between 50 ns and 100 ns.
- Does the ADUM2401BRIZ-RL support voltage translation? Yes, it supports voltage translation across the isolation barrier.
- What safety standards does the ADUM2401BRIZ-RL comply with? It complies with DIN V VDE V 0884-10 among other safety standards.
- What are some typical applications of the ADUM2401BRIZ-RL? Typical applications include industrial I/O, automotive interfaces, serial communication, and medical devices.
- How does the ADUM2401BRIZ-RL ensure dc correctness? It uses a patented refresh feature to ensure dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- What is the quiescent current consumption of the ADUM2401BRIZ-RL? The quiescent current consumption is between 1.2 mA and 2.4 mA depending on the supply voltage and logic signal frequency.
- Is the ADUM2401BRIZ-RL suitable for high-speed digital interfaces? Yes, it is suitable for high-speed digital interfaces such as USB and others.
